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0.0

Jun 30, 2018
06/18

by
Fang Han; Han Liu

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We propose a new high dimensional semiparametric principal component analysis (PCA) method, named Copula Component Analysis (COCA). The semiparametric model assumes that, after unspecified marginally monotone transformations, the distributions are multivariate Gaussian. COCA improves upon PCA and sparse PCA in three aspects: (i) It is robust to modeling assumptions; (ii) It is robust to outliers and data contamination; (iii) It is scale-invariant and yields more interpretable results. We prove...

Topics: Machine Learning, Statistics

Source: http://arxiv.org/abs/1402.4507

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1.0

May 11, 2019
05/19

by
Han, Han, 1982- author

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197 pages : 21 cm

Topics: China -- History -- 20th century -- Fiction, China -- Fiction -- 21st century, China

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1.0

Jun 30, 2018
06/18

by
Yunkun Han; Zhanwen Han

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We present a newly developed version of BayeSED, a general Bayesian approach to the spectral energy distribution (SED) fitting of galaxies. The new BayeSED code has been systematically tested on a mock sample of galaxies. The comparison between estimated and inputted value of the parameters show that BayeSED can recover the physical parameters of galaxies reasonably well. We then applied BayeSED to interpret the SEDs of a large Ks-selected sample of galaxies in the COSMOS/UltraVISTA field with...

Topics: Astrophysics of Galaxies, Astrophysics

Source: http://arxiv.org/abs/1408.6399

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0.0

Jun 30, 2018
06/18

by
Jie Han

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For any $\gamma>0$, Keevash, Knox and Mycroft constructed a polynomial-time algorithm to determine the existence of perfect matchings in any $n$-vertex $k$-uniform hypergraph whose minimum codegree is at least $n/k+\gamma n$. We prove a structure theorem that enables us to determine the existence of a perfect matching for any $k$-uniform hypergraph with minimum codegree at least $n/k$. This solves a problem of Karpi\'nski, Ruci\'nski and Szyma\'nska completely. Our proof uses a lattice-based...

Topics: Mathematics, Combinatorics

Source: http://arxiv.org/abs/1409.5931

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0.0

Jun 30, 2018
06/18

by
Muxin Han

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A new approach to black hole thermodynamics is proposed in Loop Quantum Gravity (LQG), by defining a new black hole partition function, followed by analytic continuations of Barbero-Immirzi parameter to $\gamma\in i\mathbb{R}$ and Chern-Simons level to $k\in i\mathbb{R}$. The analytic continued partition function has remarkable features: The black hole entropy $S=A/4\ell_P^2$ is reproduced correctly for infinitely many $\gamma= i\eta$, at least for $\eta\in\mathbb{Z}\setminus\{0\}$. The...

Topics: High Energy Physics - Theory, General Relativity and Quantum Cosmology

Source: http://arxiv.org/abs/1402.2084

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0.0

Jun 5, 2019
06/19

by
Han, Xinge

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99 pages : 20 cm

Topics: Han yu pin yin -- Xiao xue -- Jiao xue can kao zi liao, Er ge -- Zuo pin ji -- Zhong guo

1
1.0

Jun 30, 2018
06/18

by
Han Geurdes

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For a subset of 2 dimensional unit parameter vectors, Bell's correlation formula with local hidden variables reproduces the quantum correlation. This is unexpected considering a general no-go LHV claim derived from the same function.

Topics: Physics, Quantum Physics, General Physics

Source: http://arxiv.org/abs/1409.0740

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34

Oct 15, 2014
10/14

by
Han, Dongwook

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This article is from Journal of Foot and Ankle Research , volume 7 . Abstract None

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101287

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0.0

Jun 30, 2018
06/18

by
Chengcheng Han

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Motivated by the naturalness, we study a simplified MSSM scenario where only the bino-like LSP and higgsino-like NLSP are light. We first scan the parameter space of this scenario, considering the constraints from the Higgs mass, flavor physics, electroweak precision measurements and dark matter experiments. Then in the allowed parameter space, we perform a Monte Carlo simulation for the $\tilde{\chi}^\pm_1 \tilde{\chi}^0_{2,3}$ production followed by $\tilde{\chi}^\pm_1 \to W^\pm...

Topic: High Energy Physics - Phenomenology

Source: http://arxiv.org/abs/1409.7000

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Oct 15, 2014
10/14

by
Han, Henry

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This article is from BMC Medical Genomics , volume 7 . Abstract Background: As a promising way to transform medicine, mass spectrometry based proteomics technologies have seen a great progress in identifying disease biomarkers for clinical diagnosis and prognosis. However, there is a lack of effective feature selection methods that are able to capture essential data behaviors to achieve clinical level disease diagnosis. Moreover, it faces a challenge from data reproducibility, which means that...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101582

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2.0

Jun 30, 2018
06/18

by
Zhenyu Han

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Jet radiation patterns are indispensable for the purpose of discriminating partons' with different quantum numbers. However, they are also vulnerable to various contaminations from the underlying event, pileup, and radiation of adjacent jets. In order to maximize the discrimination power, it is essential to optimize the jet radius used when analyzing the radiation patterns. We introduce the concept of jet radiation radius which quantifies how the jet radiation is distributed around the jet...

Topic: High Energy Physics - Phenomenology

Source: http://arxiv.org/abs/1402.1494

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0.0

Jun 30, 2018
06/18

by
Xiaolong Han

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In this paper, we show that there exists a positive density subsequence of orthonormal spherical harmonics which achieves the maximal Lp norm growth for 2

Topics: Mathematics, Spectral Theory, Classical Analysis and ODEs

Source: http://arxiv.org/abs/1404.5016

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1.0

May 7, 2019
05/19

by
Han, Yuhai

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xv, 328 pages ; 22 cm

Topics: Marx, Karl, 1818-1883, Marxian economics, Philosophy, Marxist, Socialism

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0.0

Jun 30, 2018
06/18

by
Kangjin Han

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In this paper we study singularities of third secant varieties of Veronese embedding $v_d(\mathbb{P}^n)$, which corresponds to the variety of symmetric tensors of border rank at most three in $(\mathbb{C}^{n+1})^{\otimes d}$.

Topics: Mathematics, Commutative Algebra, Algebraic Geometry

Source: http://arxiv.org/abs/1411.5063

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0.0

Jun 30, 2018
06/18

by
Zhe Han

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We show that the homotopy category of injective $A$-modules is generically trivial if and only if the derived category of all modules is generically trivial for an algebra $A$. Moreover we show some connections between the generic objects, locally finiteness and Krull-Gabriel dimension.

Topics: Mathematics, Representation Theory

Source: http://arxiv.org/abs/1412.1159

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0.0

Jun 30, 2018
06/18

by
Xiaolong Han

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The main theorem has been slightly generalized to include a larger class of symbols.

Topics: Mathematics, Spectral Theory, Analysis of PDEs, Dynamical Systems

Source: http://arxiv.org/abs/1410.3911

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0.0

Jun 30, 2018
06/18

by
Jie Han

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Let $H$ be a $k$-uniform hypergraph on $n$ vertices where $n$ is a sufficiently large integer not divisible by $k$. We prove that if the minimum $(k-1)$-degree of $H$ is at least $\lfloor n/k \rfloor$, then $H$ contains a matching with $\lfloor n/k\rfloor$ edges. This confirms a conjecture of R\"odl, Ruci\'nski and Szemer\'edi, who proved that the minimum $(k-1)$-degree $n/k+O(\log n)$ suffices. More generally, we show that $H$ contains a matching of size $d$ if its minimum codegree is $d

Topics: Mathematics, Combinatorics

Source: http://arxiv.org/abs/1404.1136

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Oct 21, 2014
10/14

by
Han, Jimin

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This article is from Clinical Endoscopy , volume 47 . Abstract None

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4058536

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0.0

Jun 30, 2018
06/18

by
Daozhi Han

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We propose a novel decoupled unconditionally stable numerical scheme for the simulation of two-phase flow in a Hele-Shaw cell which is governed by the Cahn-Hilliard-Hele-Shaw system (CHHS) with variable viscosity. The temporal discretization of the Cahn-Hilliard equation is based on a convex-splitting of the associated energy functional. Moreover, the capillary forcing term in the Darcy equation is separated from the pressure gradient at the time discrete level by using an operator-splitting...

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1410.8846

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Oct 15, 2014
10/14

by
Han, Jee-Young; Han, Seol-Heui

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This article is from Journal of Korean Medical Science , volume 29 . Abstract Alzheimer's disease (AD) is the leading cause of dementia, and the most prevalent neurodegenerative disease in the elderly. The prevalence of AD is predicted to rise as life expectancy grows across populations. The exact cause of this devastating disease is still unknown; however, it is an aging-related multi-factorial disorder, and growing evidence supports the contribution of modifiable environmental factors to...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101775

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0.0

Jun 30, 2018
06/18

by
Han-Bom Moon

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We complete Mori's program with symmetric divisors for the moduli space of stable six pointed rational curves. As an application, we give an alternative proof of the complete Mori's program of the moduli space of genus two stable curves, done by Hassett.

Topics: Mathematics, Algebraic Geometry

Source: http://arxiv.org/abs/1403.7224

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0.0

Jun 30, 2018
06/18

by
Nicola Gigli; Bangxian Han

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Aim of this paper is to show that it makes sense to write the continuity equation on a metric measure space $(X,d,m)$ and that absolutely continuous curves $\mu_t$ w.r.t. the distance $W_2$ can be completely characterized as solutions of the continuity equation itself, provided we impose the condition $\mu_t\leq Cm$ for every $t$ and some $C>0$.

Topics: Mathematics, Metric Geometry, Analysis of PDEs

Source: http://arxiv.org/abs/1406.6350

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3.0

Jun 30, 2018
06/18

by
XIaole Han; Hehu Xie

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A cascadic multigrid method is proposed for eigenvalue problems based on the multilevel correction scheme. With this new scheme, an eigenvalue problem on the finest space can be solved by smoothing steps on a series of multilevel finite element spaces and eigenvalue problem solving on the coarsest finite element space. Choosing the appropriate sequence of finite element spaces and the number of smoothing steps, the optimal convergence rate with the optimal computational work can be arrived....

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1409.2923

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0.0

Jun 30, 2018
06/18

by
Kyung Hoon Han

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We construct operator systems $\mathfrak C_I$ that are universal in the sense that all operator systems can be realized as their quotients. They satisfy the operator system lifting property. Without relying on the theorem by Kirchberg, we prove the Kirchberg type tensor theorem $$\mathfrak C_I \otimes_{\min} B(H) = \mathfrak C_I \otimes_{\max} B(H).$$ Combining this with a result of Kavruk, we give a new operator system theoretic proof of Kirchberg's theorem and show that Kirchberg's conjecture...

Topics: Mathematics, Operator Algebras

Source: http://arxiv.org/abs/1409.1306

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0.0

Jun 30, 2018
06/18

by
Qiwei Han; Pedro Ferreira

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Subscriber churn remains a top challenge for wireless carriers. These carriers need to understand the determinants of churn to confidently apply effective retention strategies to ensure their profitability and growth. In this paper, we look at the effect of peer influence on churn and we try to disentangle it from other effects that drive simultaneous churn across friends but that do not relate to peer influence. We analyze a random sample of roughly 10 thousand subscribers from large dataset...

Topics: Physics, Computers and Society, Computing Research Repository, Physics and Society, Social and...

Source: http://arxiv.org/abs/1409.1102

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53

Oct 7, 2014
10/14

by
Lee, Han Suk

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This article is from Journal of Physical Therapy Science , volume 26 . Abstract [Purpose] We assessed the effects of aerobic exercise and strengthening exercise on pain pressure thresholds (PPTs) over time. [Subjects and Methods] Fifteen healthy participants were recruited and randomly divided into 3 groups: aerobic exercise, strengthening exercise, and control. The subjects in the aerobic group walked on a treadmill for 40â€…min at 6.5â€…km/h. The subjects in the strength group performed...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4135207

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0.0

Jun 30, 2018
06/18

by
Guo-Niu Han

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The Hankel determinants of certain automatic sequences $f$ are evaluated, based on a calculation modulo a prime number. In most cases, the Hankel determinants of automatic sequences do not have any closed-form expressions; the traditional methods, such as $LU$-decompo\-si\-tion and Jacobi continued fraction, cannot be applied directly. Our method is based on a simple idea: the Hankel determinants of each sequence $g$ equal to $f$ modulo $p$ are equal to the Hankel determinants of $f$ modulo...

Topics: Mathematics, Combinatorics, Number Theory

Source: http://arxiv.org/abs/1406.1586

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0.0

Jun 30, 2018
06/18

by
Xiaole Han; Hehu Xie

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The local a priori estimate for the finite element approximation is essential for underlying the local and parallel technique. It is well known that the constant coefficients in the inequality is independent of the mesh size. But it is not so clear whether the constant depends on the scale of the local subdomains. The aim of this note is to derive a new local a priori estimate on the general scale domains. We also show that the dependence of the constant appearing in the local a priori estimate...

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1401.5373

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50

Oct 12, 2014
10/14

by
Gao, Han; Li, Jingwen

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This article is from Sensors (Basel, Switzerland) , volume 14 . Abstract A novel approach to detecting and tracking a moving target using synthetic aperture radar (SAR) images is proposed in this paper. Achieved with the particle filter (PF) based track-before-detect (TBD) algorithm, the approach is capable of detecting and tracking the low signal-to-noise ratio (SNR) moving target with SAR systems, which the traditional track-after-detect (TAD) approach is inadequate for. By incorporating the...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4118413

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0.0

Jun 30, 2018
06/18

by
Habib Ammari; Han Wang

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This paper presents premier and innovative time-domain multi-scale method for shape identification in electro-sensing using pulse-type signals. The method is based on transform-invariant shape descriptors computed from filtered polarization tensors at multi-scales. The proposed algorithm enjoys a remarkable noise robustness even with far-field measurements at very limited angle of view. It opens a door for pulsed imaging using echolocation and induction data.

Topics: Mathematics, Numerical Analysis, Computing Research Repository, Computer Vision and Pattern...

Source: http://arxiv.org/abs/1409.3714

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0.0

Jun 30, 2018
06/18

by
Bang-Xian Han

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We obtain an improved Bochner inequality based on the curvature-dimension condition ${\rm RCD}^*(K,N)$ and propose a definition of $N$-dimensional Ricci tensor on metric measure spaces.

Topics: Mathematics, Metric Geometry

Source: http://arxiv.org/abs/1412.0441

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0.0

Jun 30, 2018
06/18

by
Jung Hun Han

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Fractional renewal processes as a generalization of Poisson process are already in the literature. In this paper, by introducing a new concept of generalized density function, the authors construct new fractional renewal processes in the $\alpha$-fractional space and show that it is another interesting and useful generalization of Poisson process.

Topics: Mathematics, Statistics Theory, Statistics

Source: http://arxiv.org/abs/1410.7855

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2.0

Aug 19, 2019
08/19

by
Han, Baode, author

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2, 2, 218 pages : 21 cm

Topics: Collectors and collecting, Shou cang -- tong su du wu

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0.0

Jun 30, 2018
06/18

by
Daozhi Han; Xiaoming Wang

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We propose a novel second order in time numerical scheme for Cahn-Hilliard-Navier- Stokes phase field model with matched density. The scheme is based on second order convex-splitting for the Cahn-Hilliard equation and pressure-projection for the Navier-Stokes equation. We show that the scheme is mass-conservative, satisfies a modified energy law and is therefore unconditionally stable. Moreover, we prove that the scheme is uncondition- ally uniquely solvable at each time step by exploring the...

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1407.7048

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0.0

Jun 30, 2018
06/18

by
Han Yan; Yingzi He

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A robust entry guidance law without drag rate measurement is designed for drag-tracking in this paper. The bank angle is regarded as the control variable. First, a state feedback guidance law (bank angle magnitude) that requires the drag and its rate as feedback information is designed to make the drag-tracking error be input-to-state stable (ISS) with respect to uncertainties. Then a high gain observer is utilized to estimate the drag rate which is difficult for a vehicle to measure accurately...

Topics: Systems and Control, Computing Research Repository

Source: http://arxiv.org/abs/1409.7755

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Oct 15, 2014
10/14

by
Kim, Ju Han

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This article is from BMC Medical Genomics , volume 7 . Abstract None

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4101285

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1.0

Dec 9, 2019
12/19

by
(han) Fang, Meizhen

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172 p. : 23 cm

Topics: Er tong wen xue -- Zhong pian xiao shuo -- Han guo -- Xian dai, Er tong wen xue -- Zhong pian xiao...

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0.0

Jun 30, 2018
06/18

by
Xizhi Han; Biao Wu

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We construct a complete set of Wannier functions which are localized at both given positions and momenta. This allows us to introduce the quantum phase space, onto which a quantum pure state can be mapped unitarily. Using its probability distribution in quantum phase space, we define an entropy for a quantum pure state. We prove an inequality regarding the long time behavior of our entropy's fluctuation. For a typical initial state, this inequality indicates that our entropy can relax...

Topics: Quantum Physics, Statistical Mechanics, Condensed Matter

Source: http://arxiv.org/abs/1406.6527

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0.0

Jun 30, 2018
06/18

by
Guangyue Han; Jian Song

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Unveiling a fundamental link between information theory and estimation theory, the I-MMSE relation by Guo, Shamai and Verdu has great theoretical significance and numerous practical applications. On the other hand, its influences to date have been restricted to channels without feedback and memory, due to the lack of extensions of the I-MMSE relation to such channels. In this paper, we propose extensions of the I-MMSE relation for discrete and continuous-time Gaussian channels with feedback or...

Topics: Mathematics, Computing Research Repository, Information Theory

Source: http://arxiv.org/abs/1401.3527

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0.0

Jun 30, 2018
06/18

by
Han Wang; Animesh Agarwal

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In this paper, we investigate the equilibrium statistical properties of both the force and potential interpolations of adaptive resolution simulation (AdResS) under the theoretical framework of grand-canonical like AdResS (GC-AdResS). The thermodynamic relations between the higher and lower resolutions are derived by considering the absence of fundamental conservation laws in mechanics for both branches of AdResS. In order to investigate the applicability of AdResS method in studying the...

Topics: Physics, Chemical Physics, Statistical Mechanics, Condensed Matter

Source: http://arxiv.org/abs/1412.2340

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0.0

Jun 30, 2018
06/18

by
Xianming Liu; Guangyue Han

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In this paper, we propose to use Brownian motions to model families of continuous-time multiuser Gaussian channels without bandwidth limit. It turns out that such a formulation allows parallel translation of many fundamental notions and techniques from the discrete-time setting to the continuous-time regime, which enables us to derive the capacity regions of a continuous-time white Gaussian multiple access channel with/without feedback, a continuous-time white Gaussian interference channel...

Topics: Mathematics, Computing Research Repository, Information Theory

Source: http://arxiv.org/abs/1401.3529

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0.0

Jun 30, 2018
06/18

by
Tao Han; Nirwan Ansari

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Cellular networks are among the major energy hoggers of communication networks, and their contributions to the global energy consumption increase rapidly due to the surges of data traffic. With the development of green energy technologies, base stations (BSs) can be powered by green energy in order to reduce the on-grid energy consumption, and subsequently reduce the carbon footprints. However, equipping a BS with a green energy system incurs additional capital expenditure (CAPEX) that is...

Topics: Networking and Internet Architecture, Computing Research Repository

Source: http://arxiv.org/abs/1409.8252

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0.0

Jun 30, 2018
06/18

by
Wen-Biao Han

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The supermassive black hole (SMBH) with 4 millions solar mass inside the radio-source Sgr A* in our Galactic center is the nearest SMBH. Once the S stars with shorter period are observed, the relativistic precessions especially the Lense-Thirring one can be measured by astronomical observations at 10 micro-arcsecond ($\mu$as) level in future. An interesting but so far no attended problem is that the SMBH has not only spin but also spin precession like the other objects in the universe. In this...

Topics: Astrophysics of Galaxies, Astrophysics, General Relativity and Quantum Cosmology

Source: http://arxiv.org/abs/1404.5160

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25

May 15, 2015
05/15

by
Han, Barb, author

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Getting tangled up with another woman in crisis is the last thing rancher Caleb Snow needs. The handsome cowboy has been badly burned too many times. But this one feels different, Katherine Harper is injured and reeling after an ambush in which her nephew was kidnapped. Caleb wants nothing more than to protect the beautiful, headstrong woman and help her find the missing child. If only he could ignore the feelings she stirs in him

Topics: Ranchers, Cowboys, Kidnapping, Cowboys, Kidnapping, Ranchers

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40

Oct 14, 2014
10/14

by
Han, Biao; VanRullen, Rufin

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This article is from BMC Neuroscience , volume 15 . Abstract None

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4125062

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4.0

Jun 30, 2018
06/18

by
Tao Han; Nirwan Ansari

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Dramatic mobile data traffic growth has spurred a dense deployment of small cell base stations (SCBSs). Small cells enhance the spectrum efficiency and thus enlarge the capacity of mobile networks. Although SCBSs consume much less power than macro BSs (MBSs) do, the overall power consumption of a large number of SCBSs is phenomenal. As the energy harvesting technology advances, base stations (BSs) can be powered by green energy to alleviate the on-grid power consumption. For mobile networks...

Topics: Networking and Internet Architecture, Computing Research Repository

Source: http://arxiv.org/abs/1407.7780

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Oct 19, 2014
10/14

by
Lie, Han Cheng

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This article is from BMC Bioinformatics , volume 15 . Abstract None

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4072251

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0.0

Jun 30, 2018
06/18

by
Michael DeMarco; Han Pu

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We propose coupling two internal atomic states using a pair of Raman beams operated in Laguerre-Gaussian laser modes with unequal phase windings. This generates a coupling between the atom's pseudo-spin and its orbital angular momentum. We analyze the single-particle properties of the system using realistic parameters and provide detailed studies of the spin texture of the ground state. Finally, we consider a weakly interacting atomic condensate subject to this angular spin-orbit coupling and...

Topics: Quantum Gases, Condensed Matter

Source: http://arxiv.org/abs/1411.6895

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0.0

Jun 30, 2018
06/18

by
Zupei Shen; Zhiqing Han

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In this article, we investigate the existence and multiplicity of solutions of Kirchhoff equation \begin{equation*} \left\{ \begin{aligned} -(1+b \int_{\mathbb{R}^3}|\nabla u|^2)\Delta u= k(x)\frac{|u|^2 u}{|x|} +\lambda h(x)u,~~x\in\mathbb{R}^3\\ u(x)\rightarrow 0 ~~~~~~~~~~~~~~~~~~~~~~~as ~~~~|x|\rightarrow\infty \end{aligned} \right. \end{equation*} where the potential $k(x)$ allows sign changing. Making use of Nehari manifold method and Concentration-compactness principle, we obtain the...

Topics: Mathematics, Analysis of PDEs

Source: http://arxiv.org/abs/1412.4199

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Oct 21, 2014
10/14

by
Kang, Jin-Han

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This article is from Korean Journal of Pediatrics , volume 57 . Abstract Influenza causes acute respiratory infections and various complications. Children in the high-risk group have higher complication and hospitalization rates than high-risk elderly individuals. Influenza prevention in children is important, as they can be a source infection spread in their communities. Influenza vaccination is strongly recommended for high-risk children with chronic underlying circulatory and respiratory...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4030117